package com.example.demo.mapper;

import com.example.demo.model.Student;

import java.util.List;

public interface StudentMapper {
    int deleteByPrimaryKey(Integer sId);

    int insert(Student record);

    Student selectByPrimaryKey(Integer sId);

    Student selectByCId(Integer cId);

    int updateByPrimaryKey(Student record);

    List<Student> selectAll();
}